Digi Cell Plus - Digital Oil Test Cell Information Guide
22
GB
Gas Engine Oils
Other Applications
Type
Water % Maximum
BN value (% Change)
Typical Measurement
Frequency in days
Medium Speed Natural Gas 100 °C
Lean Burn 40 °C
0.3 %
Minimum 2 (-50 %)
7
Type
OK
Warning
Exceeds limit
Notes
Typical Measurement
Frequency in days
Enclosed Gear Oils
< 0.15 %
< 0.2 %
> 0.2 %
Check upper limit
against OEM data.
30
Compressor Oil
< 0.1 %
> 0.1 %
Water can enter via
compressor cylinders;
always check
inter-cooler drains are
operating effectively.
Refrigeration oil cannot
tolerate any water.
7
Hydraulic Oils
< 0.15 % < 0.2 %
> 0.2 %
Check upper limit
against OEM data.
14
Turbine Oils
< 0.15 % < 0.2 %
> 0.2 %
Check upper limit
against OEM data.
7
Turbine Oils (synthetic)
< 0.1 %
> 0.1 %
Water can lead to
hydrolysis of
synthetic oils and rapid
Acid Number increase.
7
